Explanation:

The correct answer is option C, governor. The members of the State Public Service Commission are appointed by the governor of the respective state. Let's understand this in detail:

State Public Service Commission:
- The State Public Service Commission (SPSC) is a constitutional body established under Article 315 of the Indian Constitution.
- It is responsible for conducting recruitment examinations, interviews, and selecting candidates for various state government services.
- The SPSC ensures that the recruitment process is fair, transparent, and based on merit.

Appointment of Members:
- The members of the State Public Service Commission are appointed by the governor of the state.
- The governor has the power to appoint the chairman and other members of the SPSC.
- The governor usually consults with the chief minister and the chief justice of the respective state before making these appointments.

Role of the Governor:
- The governor is the constitutional head of the state and represents the President of India at the state level.
- The governor has the power to appoint various constitutional and statutory authorities, including members of the SPSC.
- The governor acts as the appointing authority and exercises discretionary powers in the appointment of SPSC members.

Consultation with Chief Minister and Chief Justice:
- While appointing the members of the SPSC, the governor often consults with the chief minister and the chief justice of the state.
- The consultation process ensures that the appointments are made in a fair and impartial manner.
- The chief minister and the chief justice provide their recommendations and opinions to the governor, which may be considered in the appointment process.

Conclusion:
In summary, the members of the State Public Service Commission are appointed by the governor of the respective state. The governor acts as the appointing authority and may consult with the chief minister and the chief justice before making these appointments. This appointment process ensures the selection of qualified individuals for conducting recruitment examinations and interviews for state government services.